home register FAQ memberlist calendar

Go Back   Turbobricks Forums > Search Forums

Showing results 1 to 50 of 300
Search took 0.04 seconds.
Search: Posts Made By: bobxyz
Forum: maintenance & nonperformance Yesterday, 01:12 PM
Replies: 17
Views: 311
Posted By bobxyz
Sam hasn't been lurking in the shadows with a box...

Sam hasn't been lurking in the shadows with a box of alka-seltzer, a half full jug of used antifreeze, and a big grin has he?
Forum: maintenance & nonperformance 01-19-2022, 07:29 PM
Replies: 9
Views: 144
Posted By bobxyz
If you have a wiring greenbook for your year, or...

If you have a wiring greenbook for your year, or something close, look on roughly page 8 and see if they show the radio connector. If so, measure across ground and the 2 power pins - one should be...
Forum: maintenance & nonperformance 01-19-2022, 06:16 PM
Replies: 9
Views: 144
Posted By bobxyz
Bad Volvo "radio" fuse, or bad in-line fuse or...

Bad Volvo "radio" fuse, or bad in-line fuse or wiring from a previous aftermarket radio install?
Forum: maintenance & nonperformance 01-19-2022, 04:21 PM
Replies: 22
Views: 424
Posted By bobxyz
They used the wrong symbol for pin 21 in that...

They used the wrong symbol for pin 21 in that diagram. It should have been the arrow with the ground inside it. This symbol means that the ECU can ground the pin to energize external parts. For...
Forum: maintenance & nonperformance 01-18-2022, 08:26 PM
Replies: 22
Views: 424
Posted By bobxyz
When it's clicking with the key out, try tapping...

When it's clicking with the key out, try tapping on the top of the RSR Radio interference Suppression Relay, and on the fuel pump relay, with the handle of a screwdriver to see if it stops clicking. ...
Forum: maintenance & nonperformance 01-17-2022, 07:10 PM
Replies: 21
Views: 688
Posted By bobxyz
Yes, Regina is speed-density, like MegaSquirt and...

Yes, Regina is speed-density, like MegaSquirt and other ECUs that use a MAP sensor instead of a MAF sensor. While the fueling is proportional to RPM, this term drops out when the ECU is setup to do...
Forum: maintenance & nonperformance 01-17-2022, 01:53 PM
Replies: 21
Views: 688
Posted By bobxyz
I'd guess that a sensor was acting up and you...

I'd guess that a sensor was acting up and you were experiencing some sort of limp mode. Were there any diag codes posted?

The Regina MAP sensor doesn't care where the air is coming from -- idle...
Forum: maintenance & nonperformance 01-14-2022, 08:35 PM
Replies: 92
Views: 5,336
Posted By bobxyz
Great, glad that it's now running, although...

Great, glad that it's now running, although stubbornly.

From what you've said, I'd get the old fuel out of there -- disconnect the fuel tank return line in the engine compartment, add a temporary...
Forum: maintenance & nonperformance 01-14-2022, 03:23 PM
Replies: 21
Views: 688
Posted By bobxyz
You may be able to use a LH2.4 IAC per:...

You may be able to use a LH2.4 IAC per: https://www.brickboard.com/RWD/index.htm?id=1597299&show_all=1

Note: the LH2.4 IAC is a little strange in that the unconnected (fully off) position of the...
Forum: maintenance & nonperformance 01-14-2022, 01:07 PM
Replies: 39
Views: 724
Posted By bobxyz
I haven't tried this, but I think it will work to...

I haven't tried this, but I think it will work to figure out the gearing without opening the diff.

- Jack up one rear wheel.
- Put a piece of masking tape on the driveshaft facing downwards.
-...
Forum: performance & modifications 01-13-2022, 05:43 PM
Replies: 60
Views: 2,549
Posted By bobxyz
^^^ yeah, but that would be when the valve opens,...

^^^ yeah, but that would be when the valve opens, not at the tip of the lobe, and the spring isn't pushing so much yet.

If it's binding on the valve stem seals, it would be intakes (redblocks only...
Forum: maintenance & nonperformance 01-13-2022, 03:29 PM
Replies: 39
Views: 724
Posted By bobxyz
If you can't find the Volvo marking, you can...

If you can't find the Volvo marking, you can count the ring teeth:
3.91 = 43 ring / 11 pinion
3.73 = 41 ring / 11 pinion
3.54 = 39 ring / 11 pinion
Forum: aftermarket engine management 01-13-2022, 12:56 AM
Replies: 3
Views: 567
Posted By bobxyz
Try this, or a similar size calculator:...

Try this, or a similar size calculator: http://injectordynamics.com/injector-selector/
Forum: performance & modifications 01-11-2022, 03:23 PM
Replies: 60
Views: 2,549
Posted By bobxyz
This comment still nags at me: Which...

This comment still nags at me:


Which lobes/shims exactly were damaged and where/how much?

Do you have access to a spring tester that you can use without disassembling the head? It would help...
Forum: performance & modifications 01-09-2022, 09:55 PM
Replies: 60
Views: 2,549
Posted By bobxyz
If it's coil bind, I'd expect the very tip of the...

If it's coil bind, I'd expect the very tip of the lobe to be abused. If it's valve float/loft, I'd expect the abuse to be just after the tip (as the lifter re-contacts the cam). Did any of you...
Forum: performance & modifications 01-09-2022, 08:10 PM
Replies: 60
Views: 2,549
Posted By bobxyz
Higher lift than stock causing the springs to...

Higher lift than stock causing the springs to bind?
Forum: website & board 01-06-2022, 08:18 PM
Replies: 13
Views: 1,407
Posted By bobxyz
Thanks, that's fun!

Thanks, that's fun!
Forum: maintenance & nonperformance 01-01-2022, 04:46 PM
Replies: 15
Views: 1,065
Posted By bobxyz
Since you already have the replacement voltage...

Since you already have the replacement voltage regulator, I'd just wire it up correctly and see if it all works OK. You can buy a cheap cigarette lighter voltage gauge and usb jack off of ebay to...
Forum: maintenance & nonperformance 01-01-2022, 04:34 PM
Replies: 2
Views: 693
Posted By bobxyz
I doubt that anyone makes a standard shielded...

I doubt that anyone makes a standard shielded pigtail for a Volvo 3-pin CPS VR sensor - it's too uncommon of a request. Check with Dave Barton (240turbo.com) and see if he can make one for you, and...
Forum: maintenance & nonperformance 01-01-2022, 04:21 PM
Replies: 92
Views: 5,336
Posted By bobxyz
I haven't been following the fuel injector...

I haven't been following the fuel injector diagnosis here -- I'm hoping it will all clear up once you get spark working.

One more check you can do is to verify that the wiring inside the old/new...
Forum: maintenance & nonperformance 12-31-2021, 03:29 PM
Replies: 15
Views: 1,065
Posted By bobxyz
I'm not familiar with the 140 series and what...

I'm not familiar with the 140 series and what they'd likely have today for an alternator/regulator. If you can find the 1976+ TP11402 electrical greenbook (try ozvolvo.org/archive/), it covers a...
Forum: maintenance & nonperformance 12-29-2021, 04:33 PM
Replies: 92
Views: 5,336
Posted By bobxyz
OK, you've shown that power is getting to the EZK...

OK, you've shown that power is getting to the EZK connector, but no power at the distributor, and the 3 disti wires are not shorted/connected to anything else.

Next, with key off and both EZK and...
Forum: aftermarket engine management 12-29-2021, 12:45 PM
Replies: 27
Views: 6,229
Posted By bobxyz
Try here in "Offer Drawings" ...

Try here in "Offer Drawings" https://www.bosch-motorsport.com/content/downloads/Raceparts/en-GB/51017995147518219.html#/Tabs=51047819/
Forum: maintenance & nonperformance 12-29-2021, 01:08 AM
Replies: 92
Views: 5,336
Posted By bobxyz
With the updated measurements, you're on the...

With the updated measurements, you're on the right track, and yes, the 2nd fuel pump relay contact won't close until EZK detects the disti signal. Power to the EZK comes in on pin 6, power to the...
Forum: maintenance & nonperformance 12-28-2021, 02:35 PM
Replies: 92
Views: 5,336
Posted By bobxyz
^^^ that's good info! pg 34 of the pdf shows...

^^^ that's good info! pg 34 of the pdf shows that power to the EZK box and power to the powerstage are supplied by the same branch of the wiring, but the coil power comes from a different branch. ...
Forum: maintenance & nonperformance 12-28-2021, 01:31 PM
Replies: 92
Views: 5,336
Posted By bobxyz
Oops, when I said "I don't see a RSR in the...

Oops, when I said "I don't see a RSR in the LH2.2/EZ117K 760 greenbook", I was just looking at the EK117K ignition pages (34,35 in the pdf). There is a RSR on the LH2.2 ECU page (18,19 in the pdf). ...
Forum: maintenance & nonperformance 12-27-2021, 01:00 PM
Replies: 92
Views: 5,336
Posted By bobxyz
If you don't have a copy already, search around...

If you don't have a copy already, search around for "TP31058_1 1987 740 760 Wiring Diagrams" and it may still be available somewhere.

I don't think the ECU will turn on the injector power (via...
Forum: maintenance & nonperformance 12-23-2021, 11:42 AM
Replies: 7
Views: 1,223
Posted By bobxyz
1) Do you still have the original differential...

1) Do you still have the original differential and original differential VSS sensor installed in the car?

If so, I'd swap back to the original cluster, and swap the 3-pin speedo wires back too. ...
Forum: maintenance & nonperformance 12-22-2021, 10:03 PM
Replies: 11
Views: 1,114
Posted By bobxyz
For the windows, there's another relay, at the...

For the windows, there's another relay, at the other end of the row from the headlight relay, that powers the motors. If you have a multimeter, or a test light, with key on, check on the fuse panel...
Forum: maintenance & nonperformance 12-22-2021, 07:25 PM
Replies: 11
Views: 1,114
Posted By bobxyz
Try unplugging the headlight switch and see if...

Try unplugging the headlight switch and see if these lights go out. If so, your switch may be the culprit.

There's also a headlight relay that can supply power to these lights. If the relay is...
Forum: maintenance & nonperformance 12-22-2021, 04:03 PM
Replies: 11
Views: 1,114
Posted By bobxyz
^^^ I think that it's an aftermarket keyless...

^^^ I think that it's an aftermarket keyless entry box, which taps into the green/red/white door lock open/close cable. I don't know if also connects to other stuff as an alarm system / ignition...
Forum: maintenance & nonperformance 12-22-2021, 03:57 PM
Replies: 7
Views: 1,223
Posted By bobxyz
The electronic speedometer needs to be matched to...

The electronic speedometer needs to be matched to the differential and sensor. In the US, the pre-ABS (antilock braking) LH2.4 cars used a 12-tooth differential, and the ABS cars used a 48-tooth...
Forum: maintenance & nonperformance 12-20-2021, 10:22 PM
Replies: 6
Views: 1,032
Posted By bobxyz
IIRC, on my '85 when I re-installed the top...

IIRC, on my '85 when I re-installed the top panel, I first unbolted, cleaned and lubed the latch mechanism. I then snugged it up just enough so it would stay in place but could still move around a...
Forum: maintenance & nonperformance 12-14-2021, 07:38 PM
Replies: 6
Views: 1,137
Posted By bobxyz
Just push the button on the top of the shifter...

Just push the button on the top of the shifter down like you would when it's running. Without the key, the steering wheel is going to stay locked in position.
Forum: aftermarket engine management 12-13-2021, 08:29 PM
Replies: 35
Views: 5,755
Posted By bobxyz
Can you post a zoomed in picture of your...

Can you post a zoomed in picture of your Composite Logger view when spinning with a drill, and drop a cursor line on the cam pulse? This picture, but your install:...
Forum: maintenance & nonperformance 12-13-2021, 08:19 PM
Replies: 7
Views: 1,126
Posted By bobxyz
I think your 940 has an extra relay, a RSR Radio...

I think your 940 has an extra relay, a RSR Radio noise Suppression Relay, that provides power to the coil. Having wet plugs but no spark suggests that the EZK/ECU think the crank sensor is working...
Forum: website & board 12-10-2021, 09:11 PM
Replies: 4
Views: 553
Posted By bobxyz
Hi A.W, welcome to TurboBricks! You'll need...

Hi A.W, welcome to TurboBricks!

You'll need to browse through the projects & restorations section, and other sites, to help decide if you want an original 240 wagon (getting more rare), a 740...
Forum: maintenance & nonperformance 12-10-2021, 08:36 PM
Replies: 9
Views: 1,152
Posted By bobxyz
Can you post a more zoomed-out picture with...

Can you post a more zoomed-out picture with something in it that I recognize? What year 245?

The rear window gaskets in the earlier 245 didn't have drain/weep holes and water would go from the...
Forum: performance & modifications 12-10-2021, 01:44 AM
Replies: 51
Views: 9,492
Posted By bobxyz
I didn't see it earlier, but I think you're...

I didn't see it earlier, but I think you're running LH2.2 Turbo? What part # is your ECU and EZ117K - they are the turbo versions, right? And what's your idle timing set to? Verified with a good...
Forum: aftermarket engine management 12-08-2021, 08:07 PM
Replies: 15
Views: 1,721
Posted By bobxyz
^^^ +99 Those look much more professional...

^^^ +99

Those look much more professional and refined than the Aim (but they're _only_ a canbus PDM).

Over the holidays, I may need to request a Waytek Catalog...
Forum: performance & modifications 12-08-2021, 02:46 PM
Replies: 12
Views: 2,389
Posted By bobxyz
Running low impedance injectors without the...

Running low impedance injectors without the ballast resistor usually fries the injector driver power transistor in the ECU, so the OP got really lucky. (If needed in the future, I think there are...
Forum: projects & restorations 12-08-2021, 02:37 PM
Replies: 44
Views: 5,587
Posted By bobxyz
Wejjmeister - how about some background info on...

Wejjmeister - how about some background info on you and the project? It's certainly sounding impressive.

What are your goals? Where and how often do you expect to drive it? Is this your first...
Forum: maintenance & nonperformance 12-08-2021, 09:44 AM
Replies: 4
Views: 902
Posted By bobxyz
That's a vacuum can under the brake reservoir...

That's a vacuum can under the brake reservoir which is used by the cruise control. It keeps the cruise actuator happy (for a limited time) when under boost, and taps off after the check valve.
...
Forum: aftermarket engine management 12-06-2021, 09:41 PM
Replies: 2
Views: 952
Posted By bobxyz
If you're not using the on-board ignition...

If you're not using the on-board ignition amplifier (the power transistor on the very right), you can remove it and use that location on the heatsink for the IAC driver.

Double check that there...
Forum: aftermarket engine management 12-06-2021, 09:09 PM
Replies: 15
Views: 1,721
Posted By bobxyz
I had no idea what you were talking about, so I...

I had no idea what you were talking about, so I looked it up. $2K (https://www.pegasusautoracing.com/keywordsearch.asp?KeywordStart=pdm32&KeywordButton=Go) for a fuse panel is hard to swallow. ...
Forum: aftermarket engine management 12-04-2021, 01:47 PM
Replies: 16
Views: 2,009
Posted By bobxyz
Here's how the 2-wire LH2.4 IAC valve behaves...

Here's how the 2-wire LH2.4 IAC valve behaves over ~10 minutes of my drive to work. The IAC pwm duty cycle is the white line on the bottom graph (click pic for bigger)
...
Forum: maintenance & nonperformance 12-03-2021, 03:48 PM
Replies: 2
Views: 747
Posted By bobxyz
When it's dark outside and the engine is still...

When it's dark outside and the engine is still warmed up, try a spray bottle and lightly mist the high-voltage ignition wires end-to-end while idling. You can sometimes get a spectacular light show...
Forum: maintenance & nonperformance 12-02-2021, 11:51 PM
Replies: 18
Views: 2,184
Posted By bobxyz
When I stored mine, I removed the injectors...

When I stored mine, I removed the injectors (using a beefy drill press chuck to grip them and a wrench), removed the lines from the fuel disti, blew everything out, sprayed in a bit of WD-40, and...
Forum: performance & modifications 12-01-2021, 08:57 PM
Replies: 25
Views: 3,616
Posted By bobxyz
That downstream sensor sure looks like an EGT...

That downstream sensor sure looks like an EGT sensor instead of a heated O2 sensor. How many wires come off of it, 2 or 4?

What year/model is the car? In the USA, OBD-II was a requirement...
Forum: maintenance & nonperformance 11-29-2021, 08:21 PM
Replies: 35
Views: 4,178
Posted By bobxyz
Here's roughly what the differential VR sensor...

Here's roughly what the differential VR sensor signal (blue) and the generated VSS signal to the ECU (magenta) should look like at ~6 mph:

https://i.ibb.co/FnWJr9k/VR-sensor-and-VSS-to-ECU.png...
Showing results 1 to 50 of 300

 
Forum Jump

All times are GMT -4. The time now is 03:49 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2022, vBulletin Solutions Inc.